00681nam a22002057a 4500 59018 59018 WUSLLib 170127b xxu||||| |||| 00| 0 eng d 9552095034 9789552095030 Sinhala 370.1 SEN සේනාධීර, සිල්වි 1096 අධ්‍යා‍පනයේ සාර්ථකත්වයට බලපාන ඉගෙනීමේ පුරුදු කොළඹ එස්. ගොඩගේ 2007 xvi, 119p. 22cm Education 1602 Educational objective 2661 Educational psychology 1559 ddc L 0 0 ddc 0 0 SDC MAIN MAIN REF 2017-01-27 0.00 0 370.1SEN 38317 2017-09-08 00:00:00 2017-01-27 SDC 0 0 ddc 0 0 LEN MAIN MAIN LEN 2017-01-27 0.00 0 370.1 SEN 38318 2017-09-19 00:00:00 2017-01-27 L 0 0 ddc 0 0 LEN MAIN MAIN LEN 2017-01-27 0.00 0 370.1SEN 38319 2017-09-19 00:00:00 2017-01-27 L